When i tried to show picker on current top controller i'm getting a warning to present on rootviewcontroller only not on top view controllerWarning: Attempt to present <UIAlertController: 0x1580a1e00> on <adingViewController: 0x157d64110> whose view is not in the window hierarchy! And picker doesn't show up. if i call showBluetoothAccessoryPicker in rootview controller getting a constranit errorA constraint factory method was passed a nil layout anchor. This is not allowed, and may cause confusing exceptions. Break on BOOL _NSLayoutConstraintToNilAnchor(void) to debug. This will be logged only once. This may break in the future.And once picker pops up screen becomes blank with picker and after picker dismissal whole viewcontroller becomes balnk.
DeepthiJ
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I'm getting a warning while presenting pickerWarning: Attempt to present <UIAlertController: 0x1060d1000> on <er: 0x10580c340> whose view is not in the window hierarchy!And getting blank screen after picker dismissal